2585115

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 5000688

約数和(自身を除く): 2415573

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 491, 585, 1053, 1473, 1755, 2455, 4419, 5265, 6383, 7365, 13257, 19149, 22095, 31915, 39771, 57447, 66285, 95745, 172341, 198855, 287235, 517023, 861705, 2585115]

約数ペア:

[(1, 2585115), (3, 861705), (5, 517023), (9, 287235), (13, 198855), (15, 172341), (27, 95745), (39, 66285), (45, 57447), (65, 39771), (81, 31915), (117, 22095), (135, 19149), (195, 13257), (351, 7365), (405, 6383), (491, 5265), (585, 4419), (1053, 2455), (1473, 1755)]